RxUsbConfigurationSetDescriptor
Description
Warning: Do NOT use this function unless you know your USB device supports it.
Executes the Standard Device Request that updates the Configuration Descriptor.
Syntax
rc = RxUsbConfigurationSetDescriptor(Handle,Length,Descriptor)
Parameters
- Handle
- the Device Handle received from the previous RxUsbOpen.
- Length
- the desired number of bytes or 0 for the whole Configuration Descriptor.
- Descriptor
- the Configuration Descriptor appropriate for the device.
Return Code
Errors
Remarks
Warning: Do NOT use this function unless you know your USB device supports it.
Example Code
/* add RxUsbConfigurationSetDescriptor */
rc = RxFuncAdd('RxUsbConfigurationSetDescriptor','usbcalls','RxUsbConfigurationSetDescriptor')
say '+RxUsbConfigurationSetDescriptor(),RC=0x'd2x(rc)
/* invoke RxUsbConfigurationSetDescriptor */
Descriptor=x2c(0902190001010080320904000001FF00000007050102400000)
Length=length(Descriptor) /* to replace whole descriptor */
rc = RxUsbConfigurationSetDescriptor(Handle,Length,Descriptor)
say '*RxUsbConfigurationSetDescriptor(),RC=0x'd2x(rc)
/* drop RxUsbConfigurationSetDescriptor */
rc = RxFuncDrop('RxUsbConfigurationSetDescriptor')
say '-RxUsbConfigurationSetDescriptor(),RC=0x'd2x(rc)